.page-contact {
  --contact-panel-pad: clamp(22px, 3.4vw, 42px);
  --contact-radius: 22px 6px 26px 10px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: clamp(20px, 4vw, 36px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}
.page-contact .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  transition: color var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--signal);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.page-contact .contact-hero__lead {
  min-width: 0;
}
.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.4vw, 3.7rem);
  line-height: 1.14;
  letter-spacing: 0.06em;
  color: var(--moon);
}
.page-contact .contact-hero__intro {
  max-width: 58ch;
  margin: 22px 0 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--silver);
}
.page-contact .contact-hero__media {
  margin: 0;
}
.page-contact .contact-hero__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
}

/* ---------- 章节标题 ---------- */
.page-contact .section-head {
  margin-bottom: clamp(22px, 3vw, 38px);
}
.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.26;
  letter-spacing: 0.05em;
  color: var(--moon);
}
.page-contact .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grey);
}

/* ---------- 来意切换 ---------- */
.page-contact .intent__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.page-contact .intent__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .intent__tab {
  flex: 1 1 100%;
  min-width: 0;
  display: block;
  cursor: pointer;
  color: var(--moon);
  padding: 18px 20px 20px;
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
  transition: background var(--ease), border-color var(--ease),
    transform var(--ease), color var(--ease);
}
.page-contact .intent__tab:hover {
  border-color: var(--amber);
}
.page-contact .intent__tab .mono {
  color: inherit;
  opacity: 0.55;
  font-size: 11px;
  letter-spacing: 0.18em;
}
.page-contact .intent__tab-title {
  display: block;
  margin-top: 12px;
  color: inherit;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.page-contact .intent__tab-sub {
  display: block;
  margin-top: 6px;
  color: inherit;
  opacity: 0.6;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.page-contact #intent-enter:checked ~ .intent__tabs .intent__tab--a,
.page-contact #intent-change:checked ~ .intent__tabs .intent__tab--b,
.page-contact #intent-partner:checked ~ .intent__tabs .intent__tab--c {
  color: var(--ink);
  background: linear-gradient(140deg, var(--signal), var(--amber));
  border-color: var(--signal);
}
.page-contact #intent-enter:checked ~ .intent__tabs .intent__tab--a {
  transform: translateY(-2px);
}
.page-contact #intent-change:checked ~ .intent__tabs .intent__tab--b {
  transform: translateY(2px);
}
.page-contact #intent-partner:checked ~ .intent__tabs .intent__tab--c {
  transform: translateY(-2px);
}
.page-contact #intent-enter:focus-visible ~ .intent__tabs .intent__tab--a,
.page-contact #intent-change:focus-visible ~ .intent__tabs .intent__tab--b,
.page-contact #intent-partner:focus-visible ~ .intent__tabs .intent__tab--c {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
.page-contact .intent__panels {
  margin-top: clamp(18px, 2.5vw, 28px);
}
.page-contact .intent__panel {
  display: none;
  padding: var(--contact-panel-pad);
  background: var(--deep);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  border-radius: var(--contact-radius);
}
.page-contact #intent-enter:checked ~ .intent__panels .intent__panel[data-intent="enter"],
.page-contact #intent-change:checked ~ .intent__panels .intent__panel[data-intent="change"],
.page-contact #intent-partner:checked ~ .intent__panels .intent__panel[data-intent="partner"] {
  display: block;
}
.page-contact .intent__panel h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--moon);
}
.page-contact .intent__panel p {
  max-width: 68ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
}
.page-contact .prep-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .prep-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--silver);
}
.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--signal);
}
.page-contact .intent__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 邮箱 / 电话 ---------- */
.page-contact .ways-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 30px);
}
.page-contact .way {
  min-width: 0;
  padding: clamp(24px, 3.2vw, 42px);
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
  transition: border-color var(--ease);
}
.page-contact .way--mail {
  border-top: 2px solid var(--signal);
}
.page-contact .way--phone {
  border-top: 2px solid var(--amber);
}
.page-contact .way:hover {
  border-color: var(--signal);
}
.page-contact .way__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--grey);
}
.page-contact .way h3 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--moon);
}
.page-contact .way__value {
  display: block;
  margin: 20px 0 18px;
  padding-bottom: 16px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.6vw, 1.45rem);
  letter-spacing: 0.01em;
  color: var(--moon);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--line);
  transition: color var(--ease), border-color var(--ease);
}
.page-contact .way__value:hover,
.page-contact .way__value:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}
.page-contact .way p:last-child {
  max-width: 60ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 服务时段 ---------- */
.page-contact .hours-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 52px);
  align-items: center;
}
.page-contact .hours-lead p {
  max-width: 58ch;
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
}
.page-contact .hours-state {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
}
.page-contact .hours-state:first-of-type {
  margin-top: 24px;
}
.page-contact .hours-scale {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
}
.page-contact .hours-row {
  display: grid;
  gap: 10px;
}
.page-contact .hours-row__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}
.page-contact .hours-bar {
  position: relative;
  height: 12px;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.page-contact .hours-bar span {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--signal), var(--amber));
}
.page-contact .hours-bar--weekday span {
  left: 37.5%;
  right: 12.5%;
}
.page-contact .hours-bar--weekend span {
  left: 41.66%;
  right: 25%;
}
.page-contact .hours-ticks {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--grey);
}

/* ---------- 来信要点 ---------- */
.page-contact .brief-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 48px);
}
.page-contact .brief-lead p {
  max-width: 52ch;
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
}
.page-contact .brief-list {
  counter-reset: brief;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .brief-list li {
  counter-increment: brief;
  position: relative;
  padding: 20px 0 20px 60px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9688rem;
  line-height: 1.78;
  color: var(--silver);
}
.page-contact .brief-list li::before {
  content: "0" counter(brief);
  position: absolute;
  left: 0;
  top: 19px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  background: rgba(168, 95, 58, 0.2);
  border-radius: 6px;
}
.page-contact .brief-list strong {
  color: var(--moon);
  font-weight: 600;
}

/* ---------- 合作 ---------- */
.page-contact .coop {
  padding: clamp(26px, 3.6vw, 50px);
  background: linear-gradient(150deg, var(--deep) 0%, #101a2c 58%, rgba(168, 95, 58, 0.22) 100%);
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
}
.page-contact .coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 42px);
}
.page-contact .coop__intro {
  max-width: 56ch;
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
}
.page-contact .coop__list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  align-content: center;
}
.page-contact .coop__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9688rem;
  line-height: 1.75;
  color: var(--silver);
}
.page-contact .coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 9px;
  height: 9px;
  border: 1px solid var(--amber);
  border-radius: 2px;
}
.page-contact .coop__list strong {
  color: var(--moon);
  font-weight: 600;
}

/* ---------- 地址与备案 ---------- */
.page-contact .reach {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
}
.page-contact .reach__card {
  padding: clamp(26px, 3.4vw, 46px);
  background: var(--ochre);
  color: #180b04;
}
.page-contact .reach__card h2 {
  margin: 0 0 24px;
  color: #180b04;
  letter-spacing: 0.05em;
}
.page-contact .reach__list {
  display: grid;
  gap: 18px;
  margin: 0;
}
.page-contact .reach__list div {
  display: grid;
  gap: 5px;
}
.page-contact .reach__list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(24, 11, 4, 0.66);
}
.page-contact .reach__list dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: #180b04;
  overflow-wrap: anywhere;
}
.page-contact .reach__media {
  position: relative;
  margin: 0;
  min-height: 220px;
  aspect-ratio: 3 / 2;
  background: var(--night);
}
.page-contact .reach__media figcaption {
  position: absolute;
  left: 18px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 28px;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
  .page-contact .intent__tabs {
    flex-wrap: nowrap;
  }
  .page-contact .intent__tab--a {
    flex: 1 1 24%;
  }
  .page-contact .intent__tab--b {
    flex: 1 1 46%;
  }
  .page-contact .intent__tab--c {
    flex: 1 1 30%;
  }
  .page-contact .ways-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }
  .page-contact .brief-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
  .page-contact .coop__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
  .page-contact .reach {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
  .page-contact .reach__media {
    min-height: 100%;
    aspect-ratio: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .intent__tab,
  .page-contact .way,
  .page-contact .way__value,
  .page-contact .breadcrumb a {
    transition: none;
  }
  .page-contact #intent-enter:checked ~ .intent__tabs .intent__tab--a,
  .page-contact #intent-change:checked ~ .intent__tabs .intent__tab--b,
  .page-contact #intent-partner:checked ~ .intent__tabs .intent__tab--c {
    transform: none;
  }
}
</main>